Linux 2 Ch 4- Graphical desktops

Question 1

DISPLAY

Answer 1

The DISPLAY variable can be used to run graphical programs on a server once connectivity to a remote machine has been established.

Question 2

Gnome

Answer 2

The GNOME Desktop is one of the most popular Desktop Environments that runs on the Linux Operating System and provides a GUI.

Question 3

KDE

Answer 3

The KDE (K Desktop Environment), named as a wordplay on the UNIX-based CDE (Common Desktop Environment), has a very rich suite of programs and applications. KDE is mostly written in C++ and Qt.

Question 4

RDP

Answer 4

RDP (Remote Desktop Protocol) is a proprietary protocol developed by Microsoft™ for use with its Remote Desktop Connection© software included with Windows©. In order to interface with Windows systems, Linux systems are able to use various clients, including rdesktop and xfreerdp.

Question 5

Spice

Answer 5

Spice is an open source guest, server, protocol, and client; the guest is an interface to a kernel virtual machine (KVM).

Question 6

VNC

Answer 6

VNC is an open source, platform-independent graphical desktop sharing program originally written by Olivetti & Oracle Research Lab. It relies upon the Remote Frame Buffer protocol to transmit graphics across a network to a remote host.

Question 7

X11

Answer 7

Refers to the X (Windows X) protocol version 11 which has been forked to the Xorg project. However the term X11 is still used to refer to the process of sending graphics over a network connection.

Question 8

XDMCP

Answer 8

XDMCP is a protocol built into Xorg, used to share a remote screen, similar to X11-Forwarding over SSH.

Question 9

Xfce

Answer 9

Xfce is a lightweight desktop environment

Question 10

xauth

Answer 10

For an X server to be able to forward graphical programs to another computer, an authorization file must be referred to. The xauth command generates an MIT Magic Cookie which is typically stored in a hidden file called .Xauthority.

Question 11

xhost

Answer 11

In order to allow a connection from a remote machine, the xhost command can be executed to add a host to be permitted.

Question 12

Which of the following is not a feature of the Gnome desktop environment?
Animation
Window transparency
Window snapping
Load time and responsiveness

Answer 12

Load time and responsiveness

Question 13

Xfce is not ideal for older computers with less RAM and slower video cards.
True or False?
True
False

Answer 13

False

Question 14

The Debian-derived KDE package name for a particular language follows the form:
kde-i18n-locale-code
kde-locale-code-i18n
kde-locale-code
kde-i18n-locale

Answer 14

kde-i18n-locale-code

Question 15

The ___________ is the GUI component that users tend to interact with.
Display server
Desktop environment
Display manager
Window manager

Answer 15

Desktop environment

Question 16

The __________ is the default Desktop Environment on Debian distributions.
VNC
Gnome
Xfce
KDE

Answer 16

Gnome

Question 17

The Xfce Desktop environment requires high-end computer systems with abundant resources.
True or False?
True
False

Answer 17

False

Question 18

Which of the commands will open a secure X11 graphical session on a remote host?
telnet -X remote@192.168.0.7
ssh remote@192.168.0.7
ssh -X remote@192.168.0.7
remote -X @192.168.0.7

Answer 18

ssh -X remote@192.168.0.7

Question 19

RDP is an open source protocol included in Microsoft Windows.
True or False?
True
False

Answer 19

False

Question 20

The _________ tool can be used to remove unused languages and fonts to free up resources.
X11
groupinstall
SSH
localpurge

Answer 20

localpurge

Question 21

The program which allows an X server to forward graphical programs to another computer is called _________.
ssh
xauth
MIT-Magic-Cookie
xhost

Answer 21

xauth